Automobile heater



A ril 30, 1935. R. w. ANGSTMAN AUTOMOBILE HEATER Filed May 5, 1930 Patented Apn'30, 19.35

apromonnn bran.

York

Application May 3, 1930), Serial No. mates d Claims.

This invention relates-to a functionally and structurally-improved heating apparatus capable of use in numerous different associations, but primarily intended for employment in connection with motor vehicles.

It is an object of the invention to provide an apparatus of this nature which will be compact but which at the same time will emciently heat an enclosed space, the present apparatus lending itself ideally for application to the body of a motor vehicle and is readily connectible to the units embraced within such vehicle so. that an efficient operation of the heater results. A further object of the invention is that of furnish'mg" an apparatus of this nature including relatively few parts, each individually rugged and simple in construction, and these parts being capable of ready assen'lblage to provide an apparatus operating over long periods of time with freedom from dificulties.

With these and other objects in mind reference is had to the attached. sheet of drawing illustrating practical embodiments of the invention, and in which Fig. 1 is a partly sectional plan View of the forward end of a motor vehicle and showing the I apparatus in association therewith;

Fig. 2 is a sectional side view of the heater in applied position; and

Fig. 3 is a face View thereof.

in these views the numeral i indicates the chassis of a motor vehicle mounted upon wheels 2 and supporting a motor 3 having its jacket con-= nected to a radiator 5 by means of couplings l and d, a pump II being preferably provided in the usual manner for assuring circulation of the cooling fluid.

Positioned to the rear of the motor is a partition or dash t, and a seat 9 being spaced from this member to an extent SUfiCiEiQl to allowfor the accommodation of the driver and a passenger. The dash is formed with an opening it within which is mounted a tube ii constricted to provide a venturi. The tube M is coupled with the intake 52 of a blower casing it, within which .there is disposed in the usual manner a series of blades l t secured .to a shaft it. This shaft is driven by an electric motor it, from which leads i'l extend to a source of power (not shown), and a switch it, by means of which the operation of the motor may be controlled. The casing 63 has a discharge opening defined by a duct iii, to which one end of a hose it is coupled. The opposite end of this hose or conduit is coupled to an elbow member at meted by a bracket 22 secured to a tube or throat The latter is positioned within an opening 2d formed in the dash 8, and at this time it will be noted that a clearance, in-

dicated at 36, may be provided between the throat and elbow members. As a consequence, a passage is furnished which may act as an aspirator for drawing fresh air into thethroat member as air distributed by theblower is delivered into such member from the outer end of the elbow member 29.

The member is preferably flared, as has been indicated at 25, and is disposed adjacent to a heat transfer element it arranged within the body of the vehicle. This element is preferably in the form of a radiator including an upper head 2i and a lower head between which there are disposed tubes or fins for the passage of heated water or its equivalent.

Coupling between the radiator and the motor may be achieved in any desired manner. For example, the motor jacket may have extending therefrom a fitting 3|! connected to a tube 32 extending through an opening 311' in the dash and coupled to a pipe 33 projecting from the head 27]. The head 28 may have a pipe 3 2- projecting therefrom, coupled to a tube 35 again extending through an opening iii in the dash), and the end of this tube being secured to a fitting 3% preferably disposed adjacent the pump t in association with the motor.

In use it will be understood'that water or its equivalent, which cools the motor, will flow through the heat transfer element 26. This flow may or may not be regulated as desired. In any event, very little heat transfer will occur under normal conditions. However, when the switch it is closed so as to operate the motor i G, the blower will function to withdraw from the interior of the body a certain amount of air which will be distributed by the duct 2% through the throat member 23 and past the heat transfer surfaces 29, to efficiently warm the air discharged into the interior of the body. As afore brought out, a certain amount of fresh air may be drawn into the body by virtue of a clearance indicated at 36, and consequently there will be no danger of the air becoming vitiated.

From the foregoing among others, the several objects of the invention are achieved. Obviously, numerous changes in construction and rearrangement of the parts it will be appreciated that,

Having thus fully is cled is:

described my invention, what 1 1. A heater for use in connection with the body of an automotive vehicle and including a radiator to be disposed within such body, supply and return pipes for conducting heating medium to and from the radiator, means for supplying heating medium for passage through the radiator byway of the supply and return pipes, said vehicle having a wall,there being spaced openings through said wall, a centrifugal blower spaced from the radiator for withdrawing air from the body vehicle at one of said openings, a draft duct from the blower to the other opening, an air delivery way to the radiator from the latter opening and in spaced alignment with the draft duct efiective for fresh air replenishment to be heated at the radiator together with the returned air of the draft in mingled delivery thereof into the body.

2. A heater for use in connection with the body of an automotive vehicle and including a radiator to be disposed within such body, supply and return pipes for conducting heating medium to and from the radiator, means for supplying heating medium for passage through the radiator by way of the supply and return pipe, a centrifugal blower spaced from the radiator, a Venturi supply way the blowerhaving a flexible intermediate section terminating in an elbow, a bracket flxing the 'position of the elbow, and a flare delivery way from outside the body to said radiator, said elbow to the blower for air withdrawal by the blower from the body, a draft duct from the blower, a flared delivery way to deliver air to the radiator in spaced alignment with the draft duct, said duct and delivery way being arranged to efl'ect'the delivery of withdrawn air and of fresh air into said delivery way.

3. A heater for use in connection with the body of an automotive vehicle and including a radiator to be disposed within such body, supply and return pipes for conducting heating medium to and from the radiator, means for supplying heating medium for passage through the radiator by way of the supply and return pipes, a centrifugal blower spaced from the radiator, a-Venturi supply way to the blower for air withdrawal by the blower from the body, a draft duct from the blower terminating in an elbow, a flare delivery way for air to the radiator, and a bracket mounting the elbow in spaced alignment with the flare delivery way.

4. A heater for use in connection with the body of an automotive vehicle and including a radiator to be disposed within such body, supply and return pipes for conducting heating medium to and from the radiator, means for supplying heating medium for passage through the radiator by way of the supply and return pipes, means for supplying air to the radiator for passage therethrough including a Venturi passagewayspaced laterally from the radiator, a centrifugal blower axially of said Venturi passageway and outside of the body, a tangential draft duct from being spaced concentrically of said flare delivery :way for draft discharge thereinto. 

